mere pas sony lcd he jab m ise on krta hoon to kabhi aik dam teek on ho jata he magr kabhi screen black hi rehte he or jo light hoti he power button par wo jalti aur bujti he m dobara ise off kr k kbhi 1 bar ya 2 bar krny k baad sahe se screen lag jati he kya koi mehrbani kr k bata skta he k ye kya masla he? s h u k r ya